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54796723569 = 32727121572
BaseRepresentation
bin110011000010001000…
…111010010101110001
312020102212200222100100
4303002020322111301
51344210430123234
641101231543013
73646625315400
oct630210722561
9166385628310
1054796723569
112126a35a505
12a75338aa69
135223767bb3
14291b7d9637
15165aa46399
hexcc223a571

54796723569 has 81 divisors (see below), whose sum is σ = 93987099531. Its totient is φ = 30674760480.

The previous prime is 54796723561. The next prime is 54796723601. The reversal of 54796723569 is 96532769745.

The square root of 54796723569 is 234087.

It is a perfect power (a square), and thus also a powerful number.

54796723569 is a `hidden beast` number, since 5 + 4 + 7 + 9 + 67 + 2 + 3 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16061760225 + 38734963344 = 126735^2 + 196812^2 .

It is not a de Polignac number, because 54796723569 - 23 = 54796723561 is a prime.

It is a super-2 number, since 2×547967235692 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (54796723561) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 349023639 + ... + 349023795.

Almost surely, 254796723569 is an apocalyptic number.

54796723569 is the 234087-th square number.

54796723569 is the 117044-th centered octagonal number.

It is an amenable number.

54796723569 is a deficient number, since it is larger than the sum of its proper divisors (39190375962).

54796723569 is an equidigital number, since it uses as much as digits as its factorization.

54796723569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 238 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

It can be divided in two parts, 547967 and 23569, that added together give a square (571536 = 7562).

The spelling of 54796723569 in words is "fifty-four billion, seven hundred ninety-six million, seven hundred twenty-three thousand, five hundred sixty-nine".

Divisors: 1 3 7 9 21 49 63 71 147 157 213 441 471 497 639 1099 1413 1491 3297 3479 4473 5041 7693 9891 10437 11147 15123 23079 24649 31311 33441 35287 45369 69237 73947 78029 100323 105861 172543 221841 234087 247009 317583 517629 546203 702261 741027 791437 1207801 1552887 1638609 1750079 2223081 2374311 3623403 4915827 5250237 5540059 7122933 10870209 12250553 15750711 16620177 36751659 38780413 49860531 85753871 110254977 116341239 124255609 257261613 349023717 372766827 771784839 869789263 1118300481 2609367789 6088524841 7828103367 18265574523 54796723569